User's Manual

WL-600g All-in-1 Wireless ADSL2/2+ Home Gateway User Manual
35
Setting up DMZ host
The function of DMZ is similar to that of virtual server. The difference between virtual
server and DMZ is that DMZ opens all ports to WAN while virtual server opens ports
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1. Click
Advanced Setup -> NAT -> DMZ Host
in the left side menu to open the
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2. Enter the IP address of the host to be setup as DMZ host.
3. Press
Save/Apply
to activate the settings.
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NAT checks IP header only and translate the information into private IP address.
However, for applications that demand many dynamic ports for session control such as
Session Initiation Protocol (SIP), traditional NAT cannot translate the address because
lack of preset service ports. To enable such services while at the same time do not
sacrifice network security, WL-600g introduces Application Layer Gateway (ALG) to
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1. Click
Advanced Setup -> NAT -> ALG
in the left side menu to open the
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2. Select
SIP Enabled
checkbox to allow SIP request, or uncheck to disable.
3. Press
Save/Apply
to save and activate the settings.
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1. Click
Advanced Setup -> Security -> IP Filtering -> Outgoing
in the left side
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Add
to create a new rule.